{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "665",
    "entityType": "User",
    "nonce": "0x966331366b2df32828743bf55c4e5f625bf4a17e34db1e5c1c544f34f76e3e1a",
    "signature": "0xe77b26b583a5578d4aaf9612dbb7c670a2f82cdd33e7ec8186a44a1912a5d9f7747f1b92c6218002a57f0cb51ca7bba3479626cf32af96d441efc5fd0cd377de1c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}